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SPI L4 700/750 Tiptronic package for Porsche 997 Turbo

Posted on January 25th, 2009 by Robert Adams | Posted under: Porsche, Tuners

SPI L4 700/750 Tiptronic package for Porsche 997 Turbo A few weeks ago, the one-thousand horsepower bolt-on prepared Switzer SLEDGEHAMMER, by Ohio-based tuning firm Switzer Performance Innovation (SPI) made headlines.

SPI does have another less powerful package for 997 Turbo enthusiasts called L4 700/750 Tiptronic package. Surely it is not the 1000 hp SLEDGEHAMMER, but it is still extremely impressive.

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Porsche 911 Turbo with 1000 hp by SPI

Posted on January 9th, 2009 by Robert Adams | Posted under: Porsche, Supercars, Tuners

Tym Switzer has been quietly running Switzer Performance Innovations (SPI) in Oberlin, Ohio for several years, building show-quality exhausts and bolt-on performance products for twin-turbo Porsche 996 and 997 models.

With his latest project, Tym and the crew at SPI wanted to test the limits of what would be possible with stock 997 internals. His crew had no problem getting 700 wheel horsepower from 997 turbo engines. This was not enough and they wanted to go a bit further.

Continue to read: Porsche 911 Turbo with 1000 hp by SPI